Home / 1,208,262.72-1,812,474-355,410.66

Finding the Fourth Proportional to 1,208,262.72, 1,812,474 and 355,410.66

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Solution

The fourth proportional to 1,208,262.72, 1,812,474 and 355,410.66 is: 533,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,262.72 : 1,812,474 = 355,410.66 : x
  2. Step 2: Convert to fraction form
    1,208,262.72/1,812,474 = 355,410.66/x
  3. Step 3: Cross multiply
    1,208,262.72x = 1,812,474 × 355,410.66
  4. Step 4: Simplify right side
    1,208,262.72x = 644,172,580,572.84
  5. Step 5: Solve for x
    x = 644,172,580,572.84/1,208,262.72
  6. Step 6: Final answer
    x = 533,139.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.